NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry Exercise 8.4

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NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry Exercise 8.4 is provided in this article. Class 10 Maths Chapter 8 Introduction to Trigonometry is included under the unit Trigonometry. Chapter 8 exercise 8.4 is the last exercise of this chapter and includes questions based on trigonometric identities.

Download PDF: NCERT Solutions for Class 10 Maths Exercise 8.4


Check below the pdf of NCERT Solutions for Class 10 Maths Chapter 8 Exercise 8.4

Read Also: NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry

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CBSE X Related Questions

  • 1.
    Assertion (A) : H.C.F. \((36 m^{2}, 18 m) = 18 m\), where \(m\) is a prime number.
    Reason (R) : H.C.F. of two numbers is always less than or equal to the smaller number.

      • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
      • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
      • Assertion (A) is true, but Reason (R) is false.
      • Assertion (A) is false, but Reason (R) is true.

    • 2.
      Aarush bought 2 pencils and 3 chocolates for Rs 11 and Tanish bought 1 pencil and 2 chocolates for Rs 7 from the same shop. Represent this situation in the form of a pair of linear equations. Find the price of 1 pencil and 1 chocolate, graphically.


        • 3.
          Through the mid-point Q of side CD of a parallelogram ABCD, the line AR is drawn which intersects BD at P and produced BC at R. Prove that \(AQ = QR\).


            • 4.
              In the adjoining figure, the slant height of the conical part is :

                • 4 cm
                • 7 cm
                • 5 cm
                • 25 cm

              • 5.
                To protect plants from heat, a shed of iron rods covered with green cloth is made. The lower part of the shed is a cuboid mounted by semi-cylinder as shown in the figure. Find the area of the cloth required to make this shed, if dimensions of the cuboid are \(14 \text{ m} \times 25 \text{ m} \times 16 \text{ m}\).


                  • 6.
                    Verify that roots of the quadratic equation \((p - q)x^2 + (q - r)x + (r - p) = 0\) are equal when \(q + r = 2p\).

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